Lots of traders burned their fingers trying to employ technical setups for trading on Pound when the information hit the market about UK referendum outcome. It all comes to results measured in profit and if TA have tools to keep event risk under control then it's great. But I couldn't actually find any tools for that.
Brexit was a once in a lifetime event. Probably the riskiest time to be trading GBP for any reasons, technical or fundamental.
None of the two can be said to be more useful than the other. Its better to use a combination of both rather than a single strategy. Both the methods are used for researching and forecasting the prices of stocks.
What is your primary type of analysis and what is complementary? Can't decide for myself which one I should use as a main tool, because both works
Both are important to invest in the market, the technical analysis is daily and in this way you will be able to know the fluctuations of the market to carry out your investments and the fundamental analysis is in the long term and if the technical analysis comes to change unexpectedly you must update the fundamental but the important thing is that you use both so that your movements can be more effective and obviously your profits are greater.